XFileAnimInstance.h

#pragma once
#include "AnimInstanceBase.h"
#include "XFileMultiAnim.h"

namespace ParaEngine
{
class CAudioEngine;
#define IDLE_TRANSITION_TIME 0.125f
#define MOVE_TRANSITION_TIME 0.25f

#define ANIMINDEX_FAIL      0xffffffff


//-----------------------------------------------------------------------------
// Name: class CBHandlerTiny
// Desc: Derived from ID3DXAnimationCallbackHandler.  Callback handler for
//       CBiped -- plays the footstep sounds
//-----------------------------------------------------------------------------
class CBipedCallbackHandler : public ID3DXAnimationCallbackHandler
{
    HRESULT CALLBACK HandleCallback( THIS_ UINT Track, LPVOID pCallbackData )
    {
        return S_OK;
    }
};

#define             ACTION_NO_MAX       11

/* biped animation callback: all instances use a single callback handler */
extern CBipedCallbackHandler   g_BipedCallbackHandler;  // callback interface to handle callback keys

struct SceneState;
class CXFileAnimInstance : public CAnimInstanceBase
{
protected:
    // -- data structuring
    CMultiAnim *         m_pMA;               // pointer to mesh-type-specific object
    DWORD                m_dwMultiAnimIdx;    // index identifying which CAnimInstance this object uses
    CAnimInstance *      m_pAI;               // pointer to CAnimInstance specific to this object
    
    DWORD                m_dwAnimIdxLoiter,   // Indexes of various animation sets
                         m_dwAnimIdxWalk,m_dwAnimIdxJog,m_dwAnimIdxSwim,
                         m_dwAnimIdxSpeak,
                         m_dwAnimIdxAction[ACTION_NO_MAX];
    Matrix4           m_mxOrientation;     // transform that gets the mesh into a common world space

                         
                         

    // operational status
    double               m_dTimePrev;         // global time value before last update
    double               m_dTimeCurrent;      // current global time value
    bool                 m_bPlaySounds;       // true == this instance is playing sounds
    DWORD                m_dwCurrentTrack;    // current animation track for primary animation
    Matrix4          m_mxWorld;           // world transform of the animation.

    // animation callback

    char                 m_szASName[22];      // Current track's animation set name (for preserving across device reset)
    char                 m_szASNameTarget[22];// Target track's animation set name (for preserving across device reset)

protected:      
    // --The following are not callable by the app -- internal stuff
    void PlayAnimation( bool bContinue);
    void SmoothLoiter();
    
    HRESULT GetAnimationIndex();
    DWORD GetAnimIndex( char sString[] );
    HRESULT AddCallbackKeysAndCompress( LPD3DXANIMATIONCONTROLLER pAC, LPD3DXKEYFRAMEDANIMATIONSET pAS, DWORD dwNumCallbackKeys, D3DXKEY_CALLBACK aKeys[], DWORD dwCompressionFlags, FLOAT fCompression );
    HRESULT SetupCallbacksAndCompression();
    void SetSounds( bool bSounds );

    virtual HRESULT ResetTime();
   
public:
    HRESULT InitObject( CMultiAnim *pMA,  double dTimeCurrent);
    HRESULT InitDeviceObjects();
    HRESULT InvalidateDeviceObjects();
    HRESULT RestoreDeviceObjects();
    void    Cleanup();

    //-- rendering
    void    LoadBipedState(const char* sTargetAnim, const Matrix4* mxWorld);
    virtual void Animate( double dTimeDelta );
    virtual void AdvanceTime( double dTimeDelta);
    HRESULT Draw( SceneState * sceneState);
    virtual CAnimInstance *GetAnimInstance();

    //-- querying
    //CBipedObject* GetAssociatedBipedObject(){return m_pBipedObject;};
    //void  SetAssociatedBipedObject(CBipedObject* pObj){m_pBipedObject = pObj;};

public:
    CXFileAnimInstance();
    ~CXFileAnimInstance(void);
};
}